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Katastrofo
Joined: 26 Feb 2007
Posts: 10410
Location: USA
Expire: 2013-11-19
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 Posted: Sat Jul 12, 2008 12:51 am Post subject: Butler Creek lens cap nightmare |
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Katastrofo wrote:
This hinged lens cap on my Yashica ML 2.8/28 was the way it came, and
I've decided to remove it, so I can use a hood, filters on it:
and a crappier pic of the cap itself which was mounted on a flat ring that
went around the end of the lens barrel:
In the first pic, can you see that the inner threads are covered up, and that there's a flange on the outside rim that the cover snaps over. This thing doesn't move, I think it has been glued in place. Gentle forumers, who would do this to a lens? Any ideas on how to unscrew this screwed-up mess? (Yes, I'm euphemizing here, normally the word I would use rhymes with "tuck".) Butler makes covers for rifle scopes, etc.
Bill |
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Attila
Joined: 24 Feb 2007
Posts: 57939
Location: Hungary
Expire: 2021-11-18
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| Posted: Sat Jul 12, 2008 1:05 am Post subject: |
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Attila wrote:
Nice example how people are stupid! Sorry Bill about this trouble.
_________________
-------------------------------
Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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j.lukow
Joined: 03 Oct 2007
Posts: 856
Location: Lindsay Ontario, Canada
Expire: 2021-11-25
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| Posted: Sat Jul 12, 2008 1:26 am Post subject: |
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j.lukow wrote:
Sorry for you having to suffer from someone else's stupidity.
Here are some thoughts, I don't know if they will be helpful and therefore you're the only one who can decide if you want to try any of them.
First you shoold figure out what its glued with. If it is "crazy glue/super glue" - Cyanoacrylate glue, it will have a low shear strength . . .
http://en.wikipedia.org/wiki/Cyanoacrylate
If its your basic white glue water will disolve it.
Since lenses would be sensitive to solvents I don't know what to say in that area.
If the rim of the cap is over the edges of the lens barrel could you safely cut the plastic away, then it might give you a better idea of how to tackle the parts blocking the filter threads.
Good luck with your problem.
Jim
_________________
EMPLOYMENT: That which funded photography and my new woodworking business.j.lukow
Jim's Kit:
Minolta Kit: Minolta X570 & Autowinder G, Minolta SRT200
LENSES:Minolta - 45mm & 50mm F1:2, PF 58mm F1:1.4, Tamron 28mm f1:2.5, Tamron SP 35-80mm f1:2.8/3.8 & CF TeleMacro zoom 80-210 f1:3.8, Vivitar f3.0~4.5 35-200mm macro focusing zoom, f 2.8 28mm CF Wide angle, 2x macro focus teleconverter,Sigma F4 25-250, f 2.8~4 35-70mm zoom master,Tokina SD f4-5.6 70-210 zoom, f4.5 80-200 "Ultra" Zoom,AutoImage 135mm F1:2.8, Spiratone 400mm f1:6.3, Magicon f3.5-4.8 35-70mm macro zoom,Quantary f8-500 Mirror/macro lens, Accura MD mount Macro bellows
M42 Kit:Praktica PLC2,Yashica TL Electro X
LENSES:Meyer Goerlitz Oreston 50mm f1:1.8 , Auto Yashinon DX 1:1.7 50mm,Steinheil Munchen Culminar 135mm f4.5, Adaptall-2 M42 adapter
Zeiss . . . Zeiss Contaflex 126 system, Zeiss Contaflex Super
Medium Format: Pentacon sixTL
Hasselblad 500c/m - CZ 2.8-80mm planar, CZ 4-150mm sonnarCF |
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Katastrofo
Joined: 26 Feb 2007
Posts: 10410
Location: USA
Expire: 2013-11-19
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| Posted: Sat Jul 12, 2008 1:27 am Post subject: |
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Katastrofo wrote:
I should've taken a pic of the thing still on the lens. I bought this lens last
year and seems like the auction had a picture of the front of the lens,
tight-cropped with the cover opened.  I didn't pay attention to the fact
that there were no threads visible in the pic, but that would be the telling
point. I'm taking this to my shop in town to see what I can do with this.
Thanks for your comments, Attila, and I fully agree! |
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Katastrofo
Joined: 26 Feb 2007
Posts: 10410
Location: USA
Expire: 2013-11-19
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| Posted: Sat Jul 12, 2008 1:30 am Post subject: |
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Katastrofo wrote:
Jim, I have some very neat pliers at work that I will try to clamp over
that outer rim to see if it will twist off, if it doesn't I definitely will be cutting
off that rim to see what further I can do. Thanks for your ideas and comments. |
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maddog10
Joined: 08 Apr 2008
Posts: 1072
Location: Maryland, USA
Expire: 2015-02-12
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| Posted: Sat Jul 12, 2008 2:07 am Post subject: |
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maddog10 wrote:
If it doesn't come off easily, do not force it (I know you already know this, you know  ). You may be able to find a rubber hood that is just the right size to slip over the lip.
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Michael Hill |
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Farside
Joined: 01 Sep 2007
Posts: 6552
Location: Ireland
Expire: 2013-12-27
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| Posted: Sat Jul 12, 2008 1:21 pm Post subject: |
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Farside wrote:
If it's only glued in I'd cut down to the threads with an Exacto and twist it out in sections, or maybe in one piece.
My bugbear at the moment is trying to get a seized-up (gorilla'd on) useful step-up ring off a cheapy lens. The usual, some twat forced it on and I don't want to damage it more getting it off.
_________________
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Camera Fiend and Biograph Operator
If I wanted soot and whitewash I'd be a chimney sweep and house painter.
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Webshop EU
http://www.fomafoto.com/ |
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Katastrofo
Joined: 26 Feb 2007
Posts: 10410
Location: USA
Expire: 2013-11-19
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| Posted: Sat Jul 12, 2008 3:17 pm Post subject: |
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Katastrofo wrote:
Mike thanks for the handy tips.  A push on hood sounds OK, but what
about filters? I guess I could cut the tips off condoms to make a connecting tube
to hold the filters on the end of the lens barrel...a real nice touch for mom and the kids
to see walking by in a park setting, right? 
Dave, you've foretold what I envisioned in my feeble mind...will see what
shakes. |
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shad309
Joined: 08 Mar 2008
Posts: 453
Location: Illinois, USA
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| Posted: Sat Jul 12, 2008 3:30 pm Post subject: |
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shad309 wrote:
 Imagining the condoms on the lens and looks on peoples faces  
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Canon 400D & 350D
Lenses- German, Japanese, & Russian |
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Attila
Joined: 24 Feb 2007
Posts: 57939
Location: Hungary
Expire: 2021-11-18
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| Posted: Sat Jul 12, 2008 4:04 pm Post subject: |
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Attila wrote:
_________________
-------------------------------
Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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maddog10
Joined: 08 Apr 2008
Posts: 1072
Location: Maryland, USA
Expire: 2015-02-12
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| Posted: Sat Jul 12, 2008 4:29 pm Post subject: |
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maddog10 wrote:
Come on Bill, wouldn't be the first time
(never thought about the filters)
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Michael Hill |
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j.lukow
Joined: 03 Oct 2007
Posts: 856
Location: Lindsay Ontario, Canada
Expire: 2021-11-25
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| Posted: Sat Jul 12, 2008 5:20 pm Post subject: |
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j.lukow wrote:
Bill -
If you find a push on hood cheap how about getting 2 and cutting the second so you can marry it to a step down ring for filters - "a push on filter adapter"?
Just an idea,
Jim
_________________
EMPLOYMENT: That which funded photography and my new woodworking business.j.lukow
Jim's Kit:
Minolta Kit: Minolta X570 & Autowinder G, Minolta SRT200
LENSES:Minolta - 45mm & 50mm F1:2, PF 58mm F1:1.4, Tamron 28mm f1:2.5, Tamron SP 35-80mm f1:2.8/3.8 & CF TeleMacro zoom 80-210 f1:3.8, Vivitar f3.0~4.5 35-200mm macro focusing zoom, f 2.8 28mm CF Wide angle, 2x macro focus teleconverter,Sigma F4 25-250, f 2.8~4 35-70mm zoom master,Tokina SD f4-5.6 70-210 zoom, f4.5 80-200 "Ultra" Zoom,AutoImage 135mm F1:2.8, Spiratone 400mm f1:6.3, Magicon f3.5-4.8 35-70mm macro zoom,Quantary f8-500 Mirror/macro lens, Accura MD mount Macro bellows
M42 Kit:Praktica PLC2,Yashica TL Electro X
LENSES:Meyer Goerlitz Oreston 50mm f1:1.8 , Auto Yashinon DX 1:1.7 50mm,Steinheil Munchen Culminar 135mm f4.5, Adaptall-2 M42 adapter
Zeiss . . . Zeiss Contaflex 126 system, Zeiss Contaflex Super
Medium Format: Pentacon sixTL
Hasselblad 500c/m - CZ 2.8-80mm planar, CZ 4-150mm sonnarCF |
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Katastrofo
Joined: 26 Feb 2007
Posts: 10410
Location: USA
Expire: 2013-11-19
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| Posted: Sat Jul 12, 2008 7:48 pm Post subject: |
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Katastrofo wrote:
Jim, I'll be working on this lens tomorrow, so will see what my options are,
then. Thanks for your idea, it's a good one!
Bill |
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Jesito
Joined: 24 Aug 2007
Posts: 5753
Location: Olivella, Catalonia, (Spain)
Expire: 2015-01-07
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| Posted: Sun Jul 13, 2008 7:41 am Post subject: |
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Jesito wrote:
| Katastrofo wrote: |
Jim, I'll be working on this lens tomorrow, so will see what my options are,
then. Thanks for your idea, it's a good one!
Bill |
Good luck, Bill. We'll be watching your news 
Jes.
_________________
Jesito, Moderator 
Jesito's backsack:
Zooms Sigma 70-300, Tamron 35-135 and 70-210 short, 70-210 long, 28-70 CF Macro, 35-70, 35-80, Vivitar 70-210 KA, Tamron 70-250.
Fixed Industar-50, , Tamron 24mm, Tamron 135mm, Sands Hunter 135mm, Pancolar 50mm, Volna-3, many Exakta lenses
DSLR SIGMA SD9 & SD14, EOS 5D, Sony A700 and NEXF3, Oly E-330, E-400, E-450, E-1
TLR/6x6/645 YashicaMat, Petri 6x45, Nettar, Franka Solida, Brilliant
SLR Minolta X300, Fuji STX II, Praktica VLC3, Pentax P30t, EXA500, EXA 1A, Spotmatic(2), Chinon CM-4S, Ricoh, Contax, Konica TC-X , Minolta 5000, 7000i, 3Sxi, EOS 500 and CX
Rangefinders Chinon 35EE, Konica C35 auto, Canonet 28, Yashica Lynx, FED-2, Yashica electro 35, Argus C3 & C4, Regula Cita III, Voigtlander Vitoret (many), Welta Welti-I, Kodak Signette 35, Zorki-4, Bessa-R & L, Minolta Weathermatic, olympus XA2
Compact Film Konica C35V, Voigtlander Vitorets, Canon Prima Super 105, Olympus XA2 and XA3
Compact Digital Olympus C-5050, Aiptek Slim 3000, Canon Powershot A540, Nikon 5200, SIGMA DP1s, Polaroid X530, IXUS55, Kodak 6490, Powershot G9 and G10
CSCCanon EOS-M, Samsung NX100 and NX210, Lumix G5, NEX-F3 |
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Richard_D
Joined: 21 Oct 2007
Posts: 2378
Location: Faversham Kent UK
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| Posted: Sun Jul 13, 2008 10:32 am Post subject: |
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Richard_D wrote:
Nasty! If it wasn't a lens I'd recommend nail varnish remover to deal with the glue - acetone copes with most things but I don't think I'd risk it here!
_________________
Richard
The interesting bit:
Nikkors: 20mm f2.8 AIS, 24mm f2.8 AIS, 28mm f2.8 AIS, 35mm f2 AIS, 50mm f1.4 AI, 50mm f1.48AI, 50m f2 AI,
55mm f3.5 AI'd, 105mm f4 AI, 135mm f2.8 AI'd, 135mm f3.5 AI'd, 200mm f4 AI'd .
Nikon E Series: 100mm f2.8 .
Soviet Nikon Mount: Zenitar 16mm f2.8, Arsat/arax/photex 85mm T&S f2.8 .
Other: Asahi Super Takumar 55 mm f2 (M42) ,Tamron 300mm f5.6 SP, Tamron 500mm f8 SP.
DSLR: Nikon D700. 35mm SLRsNikon FE, Pentax S1a.
TLR: Rolliecord II.
Sub-Minature: Pentax Auto 110, 18mm f2.8, 24mm f2.8, 50mm f2.8.
More to come... |
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Katastrofo
Joined: 26 Feb 2007
Posts: 10410
Location: USA
Expire: 2013-11-19
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| Posted: Sun Jul 13, 2008 4:16 pm Post subject: |
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Katastrofo wrote:
Jes and Richard, I operate on this lens this afternoon, will either be reporting
success, or crying in my beer, make it wine, I don't drink beer. |
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Attila
Joined: 24 Feb 2007
Posts: 57939
Location: Hungary
Expire: 2021-11-18
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| Posted: Sun Jul 13, 2008 4:17 pm Post subject: |
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Attila wrote:
_________________
-------------------------------
Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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Katastrofo
Joined: 26 Feb 2007
Posts: 10410
Location: USA
Expire: 2013-11-19
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| Posted: Sun Jul 13, 2008 7:50 pm Post subject: |
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Katastrofo wrote:
Success! I have some very nice range of pliers at my shop and a curved
needlenose with scored jaws did the deed with only a minor mark on the
lens rim. Yeah, there were two spots of glue that were being the problem.
Once I got a gap, the whole thing pried off with a long-bladed flathead
screwdriver.
Bill
post pics later with a hood attached. |
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maddog10
Joined: 08 Apr 2008
Posts: 1072
Location: Maryland, USA
Expire: 2015-02-12
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| Posted: Sun Jul 13, 2008 7:56 pm Post subject: |
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maddog10 wrote:
Nice!
_________________
Michael Hill |
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Richard_D
Joined: 21 Oct 2007
Posts: 2378
Location: Faversham Kent UK
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| Posted: Mon Jul 14, 2008 4:39 am Post subject: |
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Richard_D wrote:
Congratulations!
_________________
Richard
The interesting bit:
Nikkors: 20mm f2.8 AIS, 24mm f2.8 AIS, 28mm f2.8 AIS, 35mm f2 AIS, 50mm f1.4 AI, 50mm f1.48AI, 50m f2 AI,
55mm f3.5 AI'd, 105mm f4 AI, 135mm f2.8 AI'd, 135mm f3.5 AI'd, 200mm f4 AI'd .
Nikon E Series: 100mm f2.8 .
Soviet Nikon Mount: Zenitar 16mm f2.8, Arsat/arax/photex 85mm T&S f2.8 .
Other: Asahi Super Takumar 55 mm f2 (M42) ,Tamron 300mm f5.6 SP, Tamron 500mm f8 SP.
DSLR: Nikon D700. 35mm SLRsNikon FE, Pentax S1a.
TLR: Rolliecord II.
Sub-Minature: Pentax Auto 110, 18mm f2.8, 24mm f2.8, 50mm f2.8.
More to come... |
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